Lucie Tvrda, Kalliopi Mavromati, Martin Taylor-Rowan, Terence J Quinn
{"title":"Comparing the properties of traditional and novel approaches to the modified Rankin scale: Systematic review and meta-analysis.","authors":"Lucie Tvrda, Kalliopi Mavromati, Martin Taylor-Rowan, Terence J Quinn","doi":"10.1177/23969873241293569","DOIUrl":"10.1177/23969873241293569","url":null,"abstract":"<p><strong>Introduction: </strong>The Modified Rankin Scale (mRS) is the most commonly used functional measure in stroke research but is limited by inter-rater reliability (IRR). Various interventions to improve mRS application have been described. We aimed to compare properties of differing approaches to mRS assessment.</p><p><strong>Patients and methods: </strong>Multidisciplinary databases (MEDLINE, EMBASE, Health and Psychosocial Instruments [OVID], CINAHL, PsycINFO [EBSCO]) were searched for adult human stroke studies describing psychometric properties of mRS. Two researchers independently screened 20% titles and abstracts, reviewed all full studies, extracted data, and conducted risk of bias (ROB) analysis. Primary outcomes for random-effects meta-analysis were IRR measured by kappa (K) and weighted kappa (KW). Validity and inter-modality reliability measures (Spearman's rho, KW) were also summarised.</p><p><strong>Results: </strong>From 897 titles, 46 studies were eligible, including twelve differing approaches to mRS, 8608 participants. There was high ROB in 14 (30.4%) studies. Overall, reliability was substantial (<i>n</i> = 29 studies, <i>K</i> = 0.65, 95% CI: 0.58-0.71) but IRR was higher for novel approaches to mRS, for example, the Rankin Focussed Assessment (<i>n</i> = 2 studies, <i>K</i> = 0.94, 95% CI: 0.90-0.98) than standard mRS (<i>n</i> = 13 studies, <i>K</i> = 0.55, 95%CI:0.46-0.64). Reliability improved following the introduction of mRS training (<i>K</i> = 0.56, 95% CI: 0.44-0.67; vs <i>K</i> = 0.69, 95% CI: 0.62-0.77). Validity ranged from poor to excellent, with an excellent overall concurrent validity of novel scales (<i>n</i> = 6 studies, KW = 0.86, 95% CI: 0.75-0.97). The agreement between face-to-face and telephone administration was substantial (<i>n</i> = 5 studies, KW = 0.80, 95% CI: 0.74-0.87).</p><p><strong>Discussion: </strong>The mRS is a valid measure of function but IRR remains an issue. The present findings are limited by a high ROB and possible publication bias.</p><p><strong>Conclusion: </strong>Interventions to improve mRS reliability (training, structured interview, adjudication) seem to be beneficial, but single interventions do not completely remove reliability concerns.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241293569"},"PeriodicalIF":5.8,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556649/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142548250","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Reliability of ABC/2 volumetric estimation in spontaneous intracerebral hemorrhage for hematoma expansion prediction scores.","authors":"Satoru Tanioka, Orhun Utku Aydin, Adam Hilbert, Yotaro Kitano, Fujimaro Ishida, Kazuhiko Tsuda, Tomohiro Araki, Yoshinari Nakatsuka, Tetsushi Yago, Tomoyuki Kishimoto, Munenari Ikezawa, Hidenori Suzuki, Dietmar Frey","doi":"10.1177/23969873241293572","DOIUrl":"10.1177/23969873241293572","url":null,"abstract":"<p><strong>Introduction: </strong>Prediction scores for hematoma expansion in spontaneous intracerebral hemorrhage (ICH), such as the 9-point and BRAIN scores, were developed predominantly using planimetry to measure hematoma volume. In this study, we aim to investigate whether the ABC/2 formula, which is known to overestimate hematoma volume, can be reliably used as a substitute for planimetry in these prediction scores.</p><p><strong>Patients and methods: </strong>A total of 429 patients from four hospitals were retrospectively enrolled. CT scan and clinical data at admission and follow-up CT scan were collected. The 9-point and BRAIN scores were calculated using hematoma volume from ABC/2 and planimetry. Hematoma expansion was assessed using hematoma volume from planimetry.</p><p><strong>Results: </strong>The median hematoma volume measured by ABC/2 was 11.97 ml (interquartile range [IQR], 4.8-30.0), whereas the volume measured by planimetry was 11.70 ml (IQR, 4.9-26.6). The median measurement error between ABC/2 and planimetry was 0.30 ml (IQR, -0.72-2.87). ABC/2 overestimated hematoma volume in 244 patients (56.9%) compared to planimetry. In the 9-point score, the area under the curves (AUCs) for predicting hematoma expansion were 0.735 (95% confidence interval [CI], 0.675-0.796) with ABC/2 and 0.732 (95% CI, 0.672-0.793) with planimetry. In the BRAIN score, the AUCs were 0.753 (95% CI, 0.693-0.813) with ABC/2 and 0.745 (95% CI, 0.688-0.803) with planimetry.</p><p><strong>Discussion and conclusion: </strong>The 9-point and BRAIN scores using hematoma volume measured by ABC/2 and planimetry showed good performance in predicting hematoma expansion in ICH. ABC/2 volumetric estimation proved to be reliable for these scores.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241293572"},"PeriodicalIF":5.8,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556596/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142548255","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hironori Ishiguchi, Bi Huang, Wahbi K El-Bouri, Jesse Dawson, Gregory Y H Lip, Azmil H Abdul-Rahim
{"title":"Initial blood pressure and adverse cardiac events following acute ischaemic stroke: An individual patient data pooled analysis from the VISTA database.","authors":"Hironori Ishiguchi, Bi Huang, Wahbi K El-Bouri, Jesse Dawson, Gregory Y H Lip, Azmil H Abdul-Rahim","doi":"10.1177/23969873241296391","DOIUrl":"10.1177/23969873241296391","url":null,"abstract":"<p><strong>Background: </strong>Adverse cardiac events following ischaemic stroke (stroke-heart syndrome, SHS) pose a clinical challenge. We investigated the association between initial blood pressure at stroke presentation and the risk of SHS.</p><p><strong>Methods: </strong>We utilised data from the Virtual International Stroke Trials Archive (VISTA). We defined SHS as the incidence of cardiac complications within 30 days post-ischaemic stroke. These presentations included acute coronary syndrome encompassing myocardial injury, heart failure/left ventricular dysfunction, atrial fibrillation/flutter, other arrhythmia/electrocardiogram abnormalities, and cardiorespiratory arrest. Using Cox proportional hazards models, we assessed the risk trajectories for developing SHS and its presentations associated with initial blood pressure. We also explored the risk trajectories for 90-day mortality related to initial blood pressure.</p><p><strong>Results: </strong>From 16,095 patients with acute ischaemic stroke, 14,965 (mean age 69 ± 12 years; 55% male) were analysed. Of these, 1774 (11.8%) developed SHS. The risk of SHS and initial blood pressure showed a U-shaped relationship. The lowest blood pressures (⩽130 mmHg systolic and ⩽55 mmHg diastolic) were associated with the highest risks (adjusted hazard ratio [95%confidence interval]: 1.40 [1.21-1.63]; <i>p</i> < 0.001, 1.71 [1.39-2.10]; <i>p</i> < 0.001, respectively, compared to referential blood pressure range).Cardiorespiratory arrest posed the greatest risk at higher blood pressure levels (2.34 [1.16-4.73]; <i>p</i> = 0.017 for systolic blood pressure >190 mmHg), whereas other presentations exhibited the highest risk at lower pressures. The 90-day mortality risk also followed a U-shaped distribution, with greater risks observed at high blood pressure thresholds.</p><p><strong>Conclusions: </strong>There is a U-shaped relationship between initial blood pressure at ischaemic stroke presentation and the risk of subsequent SHS.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241296391"},"PeriodicalIF":5.8,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556537/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142548253","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Christoph Riegler, Regina von Rennenberg, Kerstin Bollweg, Eberhard Siebert, Gian Marco de Marchis, Georg Kägi, Pasquale Mordasini, Mirjam R Heldner, Mauro Magoni, Alessandro Pezzini, Alexander Salerno, Patrik Michel, Christoph Globas, Susanne Wegener, Nicolas Martinez-Majander, Sami Curtze, Maria Luisa Dell'Acqua, Guido Bigliardi, Nabila Wali, Paul J Nederkoorn, Dejana R Jovanovic, Visnja Padjen, Issa Metanis, Ronen R Leker, Giovanni Bianco, Carlo W Cereda, Rosario Pascarella, Marialuisa Zedde, Maria Maddalena Viola, Andrea Zini, João Nuno Ramos, João Pedro Marto, Heinrich J Audebert, Simon Trüssel, Henrik Gensicke, Stefan T Engelter, Christian H Nolte
{"title":"Endovascular therapy in patients with acute intracranial non-terminal internal carotid artery occlusion (ICA-I).","authors":"Christoph Riegler, Regina von Rennenberg, Kerstin Bollweg, Eberhard Siebert, Gian Marco de Marchis, Georg Kägi, Pasquale Mordasini, Mirjam R Heldner, Mauro Magoni, Alessandro Pezzini, Alexander Salerno, Patrik Michel, Christoph Globas, Susanne Wegener, Nicolas Martinez-Majander, Sami Curtze, Maria Luisa Dell'Acqua, Guido Bigliardi, Nabila Wali, Paul J Nederkoorn, Dejana R Jovanovic, Visnja Padjen, Issa Metanis, Ronen R Leker, Giovanni Bianco, Carlo W Cereda, Rosario Pascarella, Marialuisa Zedde, Maria Maddalena Viola, Andrea Zini, João Nuno Ramos, João Pedro Marto, Heinrich J Audebert, Simon Trüssel, Henrik Gensicke, Stefan T Engelter, Christian H Nolte","doi":"10.1177/23969873241278948","DOIUrl":"10.1177/23969873241278948","url":null,"abstract":"<p><strong>Background: </strong>Acute intracranial occlusion of the internal carotid artery (ICA) can be distinguished into (a) occlusion of the terminal ICA, involving the proximal segments of the middle or anterior cerebral artery (ICA-L/-T) and (b) non-terminal intracranial occlusions of the ICA with patent circle of Willis (ICA-I). While patients with ICA-L/-T occlusion were included in all randomized controlled trials on endovascular therapy (EVT) in anterior large vessel occlusion, data on EVT in ICA-I occlusion is scarce. We thus aimed to evaluate effectiveness and safety of EVT in ICA-I occlusions in comparison to ICA-L/-T occlusions.</p><p><strong>Methods: </strong>A large international multicentre cohort was searched for patients with intracranial ICA occlusion treated with EVT between 2014 and 2023. Patients were stratified by ICA occlusion pattern, differentiating ICA-I and ICA-L/-T occlusions. Baseline factors, technical (modified thrombolysis in cerebral infarction (mTICI) scale) and functional outcomes (modified Rankin scale [mRS] at 3 months) as well as rates of (symptomatic) intracranial hemorrhage ([s]ICH) were analyzed.</p><p><strong>Results: </strong>Of 13,453 patients, 1825 (13.6%) had isolated ICA occlusion. ICA-occlusion pattern was ICA-I in 559 (4.2%) and ICA-L/-T in 1266 (9.4%) patients. Age (years: 74 vs 73), sex (female: 45.8% vs 49.0%) and pre-stroke functional independency (pre-mRS ⩽ 2: 89.9% vs 92.2%) did not differ between the groups. Stroke severity was lower in ICA-I patients (NIHSS at admission: 14 [7-19] vs 17 [13-21] points). EVT was similarly successful with respect to technical (mTICI2b/3: 76.1% (ICA-I) vs 76.6% (ICA-L/-T); aOR 1.01 [0.76-1.35]) and functional outcome (mRS ordinal shift cOR 1.01 [0.83-1.23] in adjusted analyses. Rates of ICH (18.9% vs 34.5%; aOR 0.47 [0.36-0.62] and sICH (4.7% vs 7.3%; aOR 0.58 [0.35-0.97] were lower in ICA-I patients.</p><p><strong>Conclusion: </strong>EVT might be performed safely and similarly successful in patients with ICA-I occlusions as in patients with ICA-L/-T occlusions.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241278948"},"PeriodicalIF":5.8,"publicationDate":"2024-10-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556625/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142548251","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Nikolaos S Avramiotis, Fabian Schaub, Sebastian Thilemann, Philippe Lyrer, Stefan T Engelter
{"title":"Antithrombotic drugs for carotid artery dissection: Updated systematic review.","authors":"Nikolaos S Avramiotis, Fabian Schaub, Sebastian Thilemann, Philippe Lyrer, Stefan T Engelter","doi":"10.1177/23969873241292278","DOIUrl":"10.1177/23969873241292278","url":null,"abstract":"<p><strong>Introduction: </strong>Extracranial internal carotid artery dissection (eICAD) is a leading cause of stroke in younger patients. In this Cochrane Review update we compared benefits and harms of eICAD-patients treated with either antiplatelets or anticoagulants.</p><p><strong>Patients and methods: </strong>Eligible studies were identified through Cochrane Stroke Group Trials Register, CENTRAL, MEDLINE, and EMBASE and personal search until December 2023. We included randomized-controlled trials (RCTs) and non-randomized studies comparing anticoagulants with antiplatelets in eICAD-patients. Co-primary outcomes were (i) death (all causes) and (ii) death or disability. Secondary outcomes were ischemic stroke, symptomatic intracranial hemorrhage, and major extracranial hemorrhage. Odds ratios (OR) with 95% CIs were calculated for (i) all studies and (ii) separately for RCTs and non-randomized studies.</p><p><strong>Results: </strong>We meta-analyzed a total of 42 studies (2624 patients) including 2 RCTs (213 patients) for the primary outcome of death and 31 studies (1953 patients) including 1 RCT (115 patients) for the primary outcome of death or disability. Antiplatelet-treated patients had higher odds for death (OR<sub>all-studies</sub> 2.70, 95% CI 1.27-5.72; OR<sub>RTCs</sub> 6.80, 95% CI 0.14-345; OR<sub>non-randomized studies</sub> 2.60, 95% CI 1.20-5.60) and death or disability (OR<sub>all-studies</sub> 2.1, 95% CI 1.58-2.66; OR<sub>RTCs</sub> 2.2, 95% CI 0.29-16.05; OR<sub>non-randomized studies</sub> 2.1, 95% CI 1.58-2.66) than anticoagulated patients. Antiplatelet-treated patients had also higher odds for ischemic stroke, though this reached statistical significance only in the subgroup of RCTs (OR<sub>RTC</sub> 4.60, 95% CI 1.36-15.51). In turn, antiplatelet-treated patients had less symptomatic intracranial hemorrhage (OR<sub>all-studies</sub> 0.25, 95% CI 0.07-0.86) and a tendency toward less major extracranial hemorrhage (OR<sub>all-studies</sub> 0.17, 95% CI 0.03-1.03).</p><p><strong>Discussion and conclusion: </strong>The evidence considering antiplatelets as standard of care in eICAD is weak. Individualized treatment decisions balancing risks versus harms seem recommendable.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241292278"},"PeriodicalIF":5.8,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556626/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142510231","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
François Lun, Lina Palaiodimou, Aristeidis H Katsanos, Georgios Tsivgoulis, Guillaume Turc
{"title":"Intravenous thrombolysis or antiplatelet therapy for acute nondisabling ischemic stroke: A systematic review and network meta-analysis.","authors":"François Lun, Lina Palaiodimou, Aristeidis H Katsanos, Georgios Tsivgoulis, Guillaume Turc","doi":"10.1177/23969873241293323","DOIUrl":"10.1177/23969873241293323","url":null,"abstract":"<p><strong>Purpose: </strong>Uncertainties remain on the optimal treatment for acute minor stroke with nondisabling symptoms. The two most common therapeutic approaches are intravenous thrombolysis (IVT) and antiplatelet therapy, notably dual antiplatelet therapy (DAPT). We synthesized data from the literature to compare IVT to DAPT and identify the best treatment for this population.</p><p><strong>Method: </strong>We systematically searched Pubmed, Web of Science and the Cochrane Library for randomized trials and observational studies comparing IVT, aspirin, and/or DAPT, started within 24 h of symptom onset in patients with minor stroke (NIHSS ⩽ 5) and nondisabling symptoms. Random-effects Bayesian network meta-analysis was conducted. The primary outcome was excellent functional outcome at 3 months (mRS 0-1). Secondary outcomes included mRS 0-2, symptomatic intracranial hemorrhage, mortality, and recurrent stroke.</p><p><strong>Findings: </strong>Four randomized trials and 2 observational studies (5897 patients for the analysis of the primary outcome) were included. Compared with IVT (alteplase), DAPT (clopidogrel + aspirin) was significantly associated with higher odds of mRS 0-1 (OR = 1.52, 95% CrI, 1.09-2.35), but aspirin alone was not (OR = 1.36, 95% CrI, 0.87-2.30). DAPT was also associated with lower odds of symptomatic intracranial hemorrhage than alteplase (OR = 0.14, 95% CrI, 0.03-0.91). There were no significant differences between treatment groups regarding the other outcomes. For each outcome, the ranking for the best treatment was DAPT, then aspirin, and then IVT.</p><p><strong>Discussion/conclusion: </strong>This network meta-analysis suggests that DAPT may be the optimal treatment for acute nondisabling stroke, with higher odds of excellent functional outcome compared with IVT.Registration: PROSPERO ID: CRD42024522038.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241293323"},"PeriodicalIF":5.8,"publicationDate":"2024-10-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556657/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142510232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hamza Adel Salim, Benjamin Pulli, Vivek Yedavalli, Basel Musmar, Nimer Adeeb, Dhairya Lakhani, Muhammed Amir Essibayi, Kareem El Naamani, Nils Henninger, Sri Hari Sundararajan, Anna Luisa Kühn, Jane Khalife, Sherief Ghozy, Luca Scarcia, Inayat Grewal, Benjamin Yq Tan, Robert W Regenhardt, Jeremy J Heit, Nicole M Cancelliere, Joshua D Bernstock, Aymeric Rouchaud, Jens Fiehler, Sunil Sheth, Ajit S Puri, Christian Dyzmann, Marco Colasurdo, Xavier Barreau, Leonardo Renieri, João Pedro Filipe, Pablo Harker, Răzvan Alexandru Radu, Mohamad Abdalkader, Piers Klein, Thomas R Marotta, Julian Spears, Takahiro Ota, Ashkan Mowla, Pascal Jabbour, Arundhati Biswas, Frédéric Clarençon, James E Siegler, Thanh N Nguyen, Ricardo Varela, Amanda Baker, David Altschul, Nestor R Gonzalez, Markus A Möhlenbruch, Vincent Costalat, Benjamin Gory, Christian Paul Stracke, Mohammad Ali Aziz-Sultan, Constantin Hecker, Hamza Shaikh, Christoph J Griessenauer, David S Liebeskind, Alessandro Pedicelli, Andrea M Alexandre, Illario Tancredi, Tobias D Faizy, Erwah Kalsoum, Boris Lubicz, Aman B Patel, Vitor Mendes Pereira, Max Wintermark, Adrien Guenego, Adam A Dmytriw
{"title":"Endovascular therapy versus medical management in isolated posterior cerebral artery acute ischemic stroke: A multinational multicenter propensity score-weighted study.","authors":"Hamza Adel Salim, Benjamin Pulli, Vivek Yedavalli, Basel Musmar, Nimer Adeeb, Dhairya Lakhani, Muhammed Amir Essibayi, Kareem El Naamani, Nils Henninger, Sri Hari Sundararajan, Anna Luisa Kühn, Jane Khalife, Sherief Ghozy, Luca Scarcia, Inayat Grewal, Benjamin Yq Tan, Robert W Regenhardt, Jeremy J Heit, Nicole M Cancelliere, Joshua D Bernstock, Aymeric Rouchaud, Jens Fiehler, Sunil Sheth, Ajit S Puri, Christian Dyzmann, Marco Colasurdo, Xavier Barreau, Leonardo Renieri, João Pedro Filipe, Pablo Harker, Răzvan Alexandru Radu, Mohamad Abdalkader, Piers Klein, Thomas R Marotta, Julian Spears, Takahiro Ota, Ashkan Mowla, Pascal Jabbour, Arundhati Biswas, Frédéric Clarençon, James E Siegler, Thanh N Nguyen, Ricardo Varela, Amanda Baker, David Altschul, Nestor R Gonzalez, Markus A Möhlenbruch, Vincent Costalat, Benjamin Gory, Christian Paul Stracke, Mohammad Ali Aziz-Sultan, Constantin Hecker, Hamza Shaikh, Christoph J Griessenauer, David S Liebeskind, Alessandro Pedicelli, Andrea M Alexandre, Illario Tancredi, Tobias D Faizy, Erwah Kalsoum, Boris Lubicz, Aman B Patel, Vitor Mendes Pereira, Max Wintermark, Adrien Guenego, Adam A Dmytriw","doi":"10.1177/23969873241291465","DOIUrl":"10.1177/23969873241291465","url":null,"abstract":"<p><strong>Background: </strong>Despite the proven effectiveness of endovascular therapy (EVT) in acute ischemic strokes (AIS) involving anterior circulation large vessel occlusions, isolated posterior cerebral artery (PCA) occlusions (iPCAo) remain underexplored in clinical trials. This study investigates the comparative effectiveness and safety of EVT against medical management (MM) in patients with iPCAo.</p><p><strong>Methods: </strong>This multinational, multicenter propensity score-weighted study analyzed data from the Multicenter Analysis of primary Distal medium vessel occlusions: effect of Mechanical Thrombectomy (MAD-MT) registry, involving 37 centers across North America, Asia, and Europe. We included iPCAo patients treated with either EVT or MM. The primary outcome was the modified Rankin Scale (mRS) at 90 days, with secondary outcomes including functional independence, mortality, and safety profiles such as hemorrhagic complications.</p><p><strong>Results: </strong>A total of 177 patients were analyzed (88 MM and 89 EVT). EVT showed a statistically significant improvement in 90-day mRS scores (OR = 0.55, 95% CI = 0.30-1.00, <i>p</i> = 0.048), functional independence (OR = 2.52, 95% CI = 1.02-6.20, <i>p</i> = 0.045), and a reduction in 90-day mortality (OR = 0.12, 95% CI = 0.03-0.54, <i>p</i> = 0.006) compared to MM. Hemorrhagic complications were not significantly different between the groups.</p><p><strong>Conclusion: </strong>EVT for iPCAo is associated with better neurological outcomes and lower mortality compared to MM, without an increased risk of hemorrhagic complications. Nevertheless, these results should be interpreted with caution due to the study's observational design. The findings are hypothesis-generating and highlight the need for future randomized controlled trials to confirm these observations and establish definitive treatment guidelines for this patient population.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241291465"},"PeriodicalIF":5.8,"publicationDate":"2024-10-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556534/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142477478","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Risk factors for intracerebral hemorrhage by five specific bleeding sites: Japan Public Health Center-based Prospective Study.","authors":"Kenichi Ariyada, Kazumasa Yamagishi, Tomomi Kihara, Isao Muraki, Hironori Imano, Yoshihiro Kokubo, Isao Saito, Hiroshi Yatsuya, Hiroyasu Iso, Shoichiro Tsugane, Norie Sawada","doi":"10.1177/23969873241290680","DOIUrl":"10.1177/23969873241290680","url":null,"abstract":"<p><strong>Background: </strong>Evaluating the risk factors for intracerebral hemorrhage is indispensable for primary prevention. However, the pathogenesis varies depending on the bleeding site, and few prospective studies have explored risk factors in detail for each site.</p><p><strong>Participants and methods: </strong>The Japan Public Health Center-based Prospective Study is a prospective study comprising a population-based sample of Japanese adults in 1990 (Cohort I) and in 1993 (Cohort II). A total of 34,137 participants (11,907 men and 22,230 women) were enrolled in this study and followed up until 2009 for Cohort I and until 2012 for Cohort II. The association between risk factors (age, sex, blood pressure, serum cholesterol, triglycerides, blood glucose, body mass index, smoking, and drinking status) and intracerebral hemorrhage by its bleeding site (lobes, putamen, thalamus, cerebellum, and brainstem) was assessed using Cox proportional hazards analysis.</p><p><strong>Results: </strong>During a median 20-year follow-up, 571 intracerebral hemorrhage events occurred. Hypertension was associated with an increased risk of total intracerebral hemorrhage, but not lobar hemorrhage. The multivariable hazard ratio (95% confidence intervals) was 2.09 (1.75-2.50) for total intracerebral hemorrhage. In contrast, a low serum total cholesterol level was associated only with lobar hemorrhage (1.73 (1.01-2.96)). Heavy drinking was associated with the risk of total and putamen hemorrhage, and obesity was associated with the risk of putamen hemorrhage.</p><p><strong>Discussion and conclusion: </strong>The present study identified different risk factors depending on the bleeding site of intracerebral hemorrhage.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241290680"},"PeriodicalIF":5.8,"publicationDate":"2024-10-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556633/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142477485","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hironori Ishiguchi, Bi Huang, Wahbi K El-Bouri, Gregory Y H Lip, Azmil H Abdul-Rahim
{"title":"Stroke-heart syndrome and early mortality in patients with acute ischaemic stroke using hierarchical cluster analysis: An individual patient data pooled analysis from the VISTA database.","authors":"Hironori Ishiguchi, Bi Huang, Wahbi K El-Bouri, Gregory Y H Lip, Azmil H Abdul-Rahim","doi":"10.1177/23969873241290440","DOIUrl":"10.1177/23969873241290440","url":null,"abstract":"<p><strong>Background: </strong>The patient clinical phenotypes at particularly high risk for early cardiac complications after a recent acute ischaemic stroke (AIS), that is, stroke-heart syndrome (SHS), remain poorly defined. We utilised hierarchical cluster analysis to identify specific phenotypic profiles associated with this risk.</p><p><strong>Methods: </strong>We gathered data on patients with AIS from the Virtual International Stroke Trials Archive, a global repository of clinical trial data. We examined cardiac complications within 30 days post-stroke, including acute coronary syndrome, heart failure, arrhythmias and cardiorespiratory arrest. We employed hierarchical cluster analysis to define distinct phenotypic risk profiles. The incidence/risk of SHS and 90-day mortality were compared across these profiles.</p><p><strong>Results: </strong>We included 12,482 patients (mean age 69 ± 12 years; 55% male), yielding five phenotypes: Profile 1 ('<i>elderly and AF</i>'), Profile 2 ('<i>young and smoker</i>'), Profile 3 ('<i>young</i>'), Profile 4 ('<i>cardiac comorbidities</i>') and Profile 5 ('<i>hypertension with atherosclerotic comorbidities</i>'). Profiles 4 and 1 exhibited the highest risk for SHS (adjusted HR (95% CI): 2.01 (1.70-2.38) and 1.26 (1.05-1.51), respectively, compared to Profile 3), while Profiles 5 and 2 showed moderate risk and Profile 3 had the lowest risk. Although Profiles 1 and 4 were at the highest risk for most SHS presentations, Profile 5 had the highest risk for cardiorespiratory arrest (adjusted HR (95% CI): 2.99 (1.22-7.34)). The 90-day mortality risk was stratified by phenotype, with the highest risk observed in Profiles 5, and 4.</p><p><strong>Conclusions: </strong>Hierarchical cluster analysis effectively identified phenotypes with the highest risk of SHS and early mortality in patients with AIS.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241290440"},"PeriodicalIF":5.8,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556556/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142477486","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"The presence of a ghost infarct core is associated with fast core growth in acute ischemic stroke.","authors":"Mikito Saito, Hiroyuki Kawano, Takuya Adachi, Miho Gomyo, Kenichi Yokoyama, Yoshiaki Shiokawa, Teruyuki Hirano","doi":"10.1177/23969873241289320","DOIUrl":"10.1177/23969873241289320","url":null,"abstract":"<p><strong>Introduction: </strong>The overestimation of ischemic core volume by CT perfusion (CTP) is a critical concern in the selection of candidates for reperfusion therapy. This phenomenon is termed a ghost infarct core (GIC). Core growth rate (CGR) is an indicator of ischemic severity. We aimed to elucidate the association between GIC and CGR.</p><p><strong>Patients and methods: </strong>Consecutive patients with acute ischemic stroke who underwent mechanical thrombectomy in our institute from March 2017 to July 2022 were enrolled. The initial ischemic core volume (IICV) was measured by pretreatment CTP, and the final infarct volume (FIV) was measured by diffusion-weighted imaging. A GIC was defined by IICV minus FIV > 10 ml. The CGR was calculated by dividing the IICV by the time from onset to CTP. Univariable analysis and a multivariable logistic regression model were used to evaluate the association between GIC-positive and CGR.</p><p><strong>Results: </strong>Of all 91 patients, 21 (23.1%) were GIC-positive. The GIC-positive group had higher CGR (14.2 [2.6-46.7] vs 4.8 [1.6-17.1] ml/h, <i>p</i> = 0.02) and complete recanalization (<i>n</i> = 15 (71.4%) vs 29 (41.4%), <i>p</i> = 0.02) compared to the GIC-negative group. On receiver-operating characteristic curve analysis, the optimal cutoff point of CGR to predict GIC-positive was 22 ml/h (sensitivity, 0.48; specificity, 0.85; AUC, 0.67). Multivariable logistic regression analysis showed that CGR ⩾ 22 ml/h (OR 6.44, 95% CI [1.59-26.10], <i>p</i> = 0.01) and complete recanalization (OR 3.72, 95% CI [1.14-12.08], <i>p</i> = 0.02) were independent predictors of GIC-positive.</p><p><strong>Conclusions: </strong>A GIC was associated with fast CGR in acute ischemic stroke. Overestimation of the initial ischemic core may be determined by core growth speed.</p>","PeriodicalId":46821,"journal":{"name":"European Stroke Journal","volume":" ","pages":"23969873241289320"},"PeriodicalIF":5.8,"publicationDate":"2024-10-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11556541/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142477487","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}